Royal Society of Chemistry

Photo-induced glycosylation using reusable organophotoacids

Chem. Commun. - 17 August, 2014 - 20:54

Chem. Commun., 2014, 50,10695-10698
DOI: 10.1039/C4CC04753B, CommunicationRyosuke Iwata, Kanjiro Uda, Daisuke Takahashi, Kazunobu Toshima
The glycosylation reactions of glycosyl trichloroacetimidates and several alcohols using an organophotoacid as an activator under photoirradiation proceeded smoothly to give the corresponding glycosides in high yields.
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Amorphous vanadium oxide coating on graphene by atomic layer deposition for stable high energy lithium ion anodes

Chem. Commun. - 17 August, 2014 - 20:54

Chem. Commun., 2014, 50,10703-10706
DOI: 10.1039/C4CC04580G, CommunicationXiang Sun, Changgong Zhou, Ming Xie, Tao Hu, Hongtao Sun, Guoqing Xin, Gongkai Wang, Steven M. George, Jie Lian
Amorphous V2O5 coating by atomic layer deposition on graphene displays a high rate and superior cyclic performance as a lithium ion battery anode. No mechanical degradation and dissolution of vanadium occur upon cycling.
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The Au clusters induce tumor cell apoptosis via specifically targeting thioredoxin reductase 1 (TrxR1) and suppressing its activity

Chem. Commun. - 17 August, 2014 - 20:54

Chem. Commun., 2014, 50,10687-10690
DOI: 10.1039/C4CC03320E, CommunicationRu Liu, Yaling Wang, Qing Yuan, Deyi An, Jingyuan Li, Xueyun Gao
The Au clusters stabilized by tridecapeptides can significantly suppress the TrxR1 activity in the cytoplasm and induce cell apoptosis.
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Ion-based assemblies of planar anion complexes and cationic PtII complexes

Chem. Commun. - 17 August, 2014 - 20:54

Chem. Commun., 2014, 50,10615-10618
DOI: 10.1039/C4CC04565C, CommunicationRyo Sekiya, Yusuke Tsutsui, Wookjin Choi, Tsuneaki Sakurai, Shu Seki, Yuya Bando, Hiromitsu Maeda
Because the metallophilicity of attractive PtIIPtII interactions helps in the fabrication of columnar structures, terpyridine-PtII complexes were used as planar counter cationic species for formation of charge-segregated assemblies using [small pi]-conjugated receptor-Cl- complexes as planar anions.
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A triply-responsive pillar[6]arene-based supramolecular amphiphile for tunable formation of vesicles and controlled release

Chem. Commun. - 17 August, 2014 - 20:54

Chem. Commun., 2014, 50,10658-10660
DOI: 10.1039/C4CC05031B, CommunicationQizhong Zhou, Huajiang Jiang, Rener Chen, Fangli Qiu, Guoliang Dai, Deman Han
A pillar[6]arene-based multi-responsive supramolecular amphiphile was constructed in water. The morphology of the self-assemblies formed by the supramolecular amphiphile exhibited pH-, photo- and enzyme- responsive transitions.
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The simplest method for fabrication of high refractive index polymer-metal oxide hybrids based on a soap-free process

Chem. Commun. - 17 August, 2014 - 20:54

Chem. Commun., 2014, 50,10611-10614
DOI: 10.1039/C4CC04471A, CommunicationHirokuni Jintoku, Hirotaka Ihara
We established a new strategy for fabricating high refractive index materials by using the tungsten heteropoly acid.
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Tuneable Fmoc-Phe-(4-X)-Phe-NH2 nanostructures by variable electronic substitution

Chem. Commun. - 17 August, 2014 - 20:54

Chem. Commun., 2014, 50,10630-10633
DOI: 10.1039/C4CC04926H, CommunicationCharalampos G. Pappas, Yousef M. Abul-Haija, Angela Flack, Pim W. J. M. Frederix, Rein V. Ulijn
We show enzymatic introduction of non-natural amino acids with different electronic substituents with a dramatic influence on morphology in self-assembled nanostructures.
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Copper-mediated C-H(sp2)/C-H(sp3) coupling of benzoic acid derivatives with ethyl cyanoacetate: an expedient route to an isoquinolinone scaffold

Chem. Commun. - 17 August, 2014 - 20:54

Chem. Commun., 2014, 50,10634-10636
DOI: 10.1039/C4CC03837A, CommunicationWei Zhu, Dengyou Zhang, Nan Yang, Hong Liu
An expedient, copper-mediated, direct C-H(sp2)/C-H(sp3) bond coupling of benzoic acid derivatives with ethyl cyanoacetate is disclosed.
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Stop rotating! One substitution halts the B19- motor

Chem. Commun. - 17 August, 2014 - 20:54

Chem. Commun., 2014, 50,10680-10682
DOI: 10.1039/C4CC03698K, CommunicationFrancisco Cervantes-Navarro, Gerardo Martinez-Guajardo, Edison Osorio, Diego Moreno, William Tiznado, Rafael Islas, Kelling J. Donald, Gabriel Merino
The B19- anion and other boron species have been dubbed 'Wankel motors' for the almost barrierless rotation of inner and outer concentric rings relative to each other in these compounds.
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Reversible sodium storage via conversion reaction of a MoS2-C composite

Chem. Commun. - 17 August, 2014 - 20:54

Chem. Commun., 2014, 50,10730-10733
DOI: 10.1039/C4CC00294F, CommunicationYun-Xiao Wang, Kuok Hau Seng, Shu-Lei Chou, Jia-Zhao Wang, Zaiping Guo, David Wexler, Hua-Kun Liu, Shi-Xue Dou
The exfoliated MoS2-C composite was tested as a novel anode material for sodium ion batteries with high capacity and prolonged cycling life. Its unique structure and the optimized electrolyte effectively promote Na-storage performance.
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Highly double selective nitration of nitrostilbenes over zeolite

Chem. Commun. - 17 August, 2014 - 20:54

Chem. Commun., 2014, 50,10710-10713
DOI: 10.1039/C4CC04688A, CommunicationJun-Hui Xu, Jian-Ping Wei, Zheng Hao, Qing-Guo Ma, Xin-Hua Peng
A feasible zeolite-assisted ortho C-H nitration of nitrostilbenes has been developed for the first time.
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A designer peptide as a template for growing Au nanoclusters

Chem. Commun. - 17 August, 2014 - 20:54

Chem. Commun., 2014, 50,10648-10650
DOI: 10.1039/C4CC03240C, CommunicationRoberto de la Rica, Lesley W. Chow, Christine-Maria Horejs, Manuel Mazo, Ciro Chiappini, E. Thomas Pashuck, Ronit Bitton, Molly M. Stevens
A peptide was designed to generate a sub-nanometric template that guides the growth of fluorescent gold nanoclusters.
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Bioinspired heterostructured bead-on-string fibers via controlling the wet-assembly of nanoparticles

Chem. Commun. - 17 August, 2014 - 20:54

Chem. Commun., 2014, 50,10651-10654
DOI: 10.1039/C4CC05156D, CommunicationLin Zhao, Cheng Song, Miaoxin Zhang, Yongmei Zheng
A kind of bioinspired heterostructured bead-on-string fiber (BHBF), composed of poly-(methyl methacrylate) (PMMA) and titanium tetrachloride (TiCl4) hydrolyzed nanoparticles, was prepared via integrating a wet-assembly system, including PMMA electrospinning, fog of nanoparticles and water coalescence at multi-stages.
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Methoxy functionalisation: exerting synthetic control of the supramolecular and electronic structure of nitrogen-doped nanographenes

Chem. Commun. - 17 August, 2014 - 20:54

Chem. Commun., 2014, 50,10637-10640
DOI: 10.1039/C4CC03577A, CommunicationLankani P. Wijesinghe, Buddhie S. Lankage, Gearoid M. O Maille, Sarath D. Perera, Deanne Nolan, Longsheng Wang, Sylvia M. Draper
Demonstrating the chemical control of band gap and supramolecular stacking in four N-doped methoxy-substituted nanographenes.
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Copper-catalyzed intermolecular azidocyanation of aryl alkenes

Chem. Commun. - 17 August, 2014 - 20:54

Chem. Commun., 2014, 50,10676-10679
DOI: 10.1039/C4CC04640D, CommunicationLi Xu, Xue-Qing Mou, Zhi-Min Chen, Shao-Hua Wang
A copper-catalyzed Markovnikov-type intermolecular azidocyanation of aryl alkenes has been developed for the first time.
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Molecular doping of graphene as metal-free electrocatalyst for oxygen reduction reaction

Chem. Commun. - 17 August, 2014 - 20:54

Chem. Commun., 2014, 50,10672-10675
DOI: 10.1039/C4CC05055J, CommunicationShuo Dou, Anli Shen, Li Tao, Shuangyin Wang
We successfully, for the first time, perform the molecular doping of graphene as metal-free electrocatalysts for oxygen reduction reaction.
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Exfoliated layered copper phosphonate showing enhanced adsorption capability towards Pb ions

Chem. Commun. - 17 August, 2014 - 20:54

Chem. Commun., 2014, 50,10622-10625
DOI: 10.1039/C4CC03774J, CommunicationWei-Xuan Nie, Song-Song Bao, Dai Zeng, Li-Rong Guo, Li-Min Zheng
Copper 5-(2-bromothienyl)phosphonate (1) with a layered structure can be successfully exfoliated, showing an enhanced adsorption capability to the Pb(II) ions in aqueous solution compared with that of the bulk material.
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A novel strategy for the design of smart supramolecular gels: controlling stimuli-response properties through competitive coordination of two different metal ions

Chem. Commun. - 17 August, 2014 - 20:54

Chem. Commun., 2014, 50,10669-10671
DOI: 10.1039/C4CC03753G, CommunicationQi Lin, Bin Sun, Qing-Ping Yang, Yong-Peng Fu, Xin Zhu, You-Ming Zhang, Tai-Bao Wei
With the competitive coordination, the stimuli-response properties of the supramolecular gels are accurately controlled. The bimetal-gel CaFeG could act as H2PO4- test kit and rewritable security display materials.
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Nucleophilic conjugate 1,3-addition of phosphines to oligoynoates

Chem. Commun. - 17 August, 2014 - 20:54

Chem. Commun., 2014, 50,10580-10583
DOI: 10.1039/C4CC02870H, CommunicationJie-Cheng Deng, Chih-Wei Kuo, Shih-Ching Chuang
Previous phosphine-promoted reactions with alkenoates, allenoates and alkynoates involved 1,4-addition as the initial step. Herein we uncover unique conjugate 1,3-addition ([small alpha]-addition) reactions of oligoynoates with phosphines through spectroscopic and single crystal X-ray analyses of three-component reaction products of oligoynoates, phosphines and aldehydes unambiguously.
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A photoresponsive glycosidase mimic

Chem. Commun. - 17 August, 2014 - 20:54

Chem. Commun., 2014, 50,10577-10579
DOI: 10.1039/C4CC03394A, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Mousumi Samanta, V. Siva Rama Krishna, Subhajit Bandyopadhyay
Activity of a photoswitchable glycosidase mimic can be turned on or off using light.
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